Waveguide grating for microchip-laser polarization control

Florent Pigeon (1) , Marwan Abdou Ahmed (2) , Olivier Parriaux (1) , Svetlen Tonchev (3) , Nicolas Landru (4) , Jean-Philippe Fève (4)

1 LHC - Laboratoire Hubert Curien
2 IFSW - Institut für Strahwerkzeuge
3 ISSP - ISSP
4 TEEM PHOTONICS - Teem Photonics, JDSU Laser Products

A slab waveguide grating submirror monolithically associated with a standard multilayer submirror represents a laser output coupler which polarizes the emission of a passively Q-switched Nd:YAG microchip laser over its full emission bandwidth by intra-mirror destructive interference for the undesired polarization. A polarization extinction ratio of more than 25 dB is obtained up to 6.1µJ pulse energy. Linearly polarized emission shows no loss penalty.

Domaines: Optique [physics.optics]

Florent Pigeon, Marwan Abdou Ahmed, Olivier Parriaux, Svetlen Tonchev, Nicolas Landru, et al.. Waveguide grating for microchip-laser polarization control. Apr 2007, pp.25-27. ⟨hal-00135827⟩